Joint survey panel composed of three units investigated sugarcane borers in Xianggui sugarcane area,in order to make clear the current situation of sugarcane borers,estimate the economic loss caused by sugarcane borer...Joint survey panel composed of three units investigated sugarcane borers in Xianggui sugarcane area,in order to make clear the current situation of sugarcane borers,estimate the economic loss caused by sugarcane borers,and analyze the causes of increasingly serious occurrence of sugarcane pests.The survey results indicated that sugarcane pests occurred seriously in Xianggui sugarcane area;the average rate of borer-damaged strain was 46.54%,the average yield loss was 14.87%,and the average sucrose content loss was as high as 1.12%.The estimated results of eco-nomic damage caused by pests demonstrated that the agricultural loss was 467 million yuan,the industry loss was 856 million yuan and the national financial loss was 51 million yuan.According to the survey results,the experts of research group analyzed and summarized the causes of increasing-ly serious occurrence of sugarcane pests in Xianggui sugarcane area,and put forward the countermeasures for the prevention and control of sugar-cane pests in this area.展开更多
[Objective]The paper was to study the effect of 30%Xiange oceanic bioactive peptide pesticide-fertilizer on sugarcane pests,sugarcane yield and sugar.[Method]With conventional compound fertilizer mixed with 3%carbofur...[Objective]The paper was to study the effect of 30%Xiange oceanic bioactive peptide pesticide-fertilizer on sugarcane pests,sugarcane yield and sugar.[Method]With conventional compound fertilizer mixed with 3%carbofuran granulated insecticide as the control,the field effect of30%Xiange pesticide-fertilizer on sugarcane was compared.[Result]After the application of 30%Xiange pesticide-fertilizer for 90 d,the control effects on sugarcane borers in the two test points were 93.66%and 93.09%,respectively,which were significantly higher than those of conventional control(21.86%and 24.19%).Before harvest,the reduction effects of sugarcane internodes in the two test points treated by pesticide-fertilizer were6.21%and 5.10%,respectively,which were significantly lower than those of conventional control(36.25%and 34.55%).The control effects of Xiange pesticide-fertilizer on sugarcane chafer in the two test points were 91.34%and 100.00%respectively,which were significantly higher than those of conventional control(68.00%and 64.29%).The yields of sugarcane treated by Xiange pesticide-fertilizer in the two test points were107700 and 108000 kg/hm2,and the sugar contents were 15.62%and 15.55%,respectively.The yield and sugar content of sugarcane treated by Xiange pesticide-fertilizer were increased by 28.63%and 1.33%compared with those of conventional control.[Conclusion]30%Xiange oceanic bioactive peptide pesticide-fertilizer has good control effect on sugarcane pests,which could obviously increase yield and sugar of sugarcane.The product is worth being promoted and applied in sugarcane planting area.展开更多
基金Supported by Special Fund Project for Development of Guangdong Academy of Sciences(2019GDA-SYL-0105026)Construction Project of Zhanjiang Ocean Economy Innovation and Development Demonstration City(ZHC[2017]C4B1)+2 种基金Science and Technology Project of Guangdong Province(2017A070701030)Special Construction Fund for Zhanjiang Institute of Guangdong Academy of Sciences(2017-2019)Science and Technology Project of Zhanjiang City(2017A05007)。
文摘Joint survey panel composed of three units investigated sugarcane borers in Xianggui sugarcane area,in order to make clear the current situation of sugarcane borers,estimate the economic loss caused by sugarcane borers,and analyze the causes of increasingly serious occurrence of sugarcane pests.The survey results indicated that sugarcane pests occurred seriously in Xianggui sugarcane area;the average rate of borer-damaged strain was 46.54%,the average yield loss was 14.87%,and the average sucrose content loss was as high as 1.12%.The estimated results of eco-nomic damage caused by pests demonstrated that the agricultural loss was 467 million yuan,the industry loss was 856 million yuan and the national financial loss was 51 million yuan.According to the survey results,the experts of research group analyzed and summarized the causes of increasing-ly serious occurrence of sugarcane pests in Xianggui sugarcane area,and put forward the countermeasures for the prevention and control of sugar-cane pests in this area.
基金Supported by Special Fund for Development of Guangdong Academy of Sciences(2019GDASYL-0105026)Construction Project of Zhanjiang Demonstration City for Innovation and Development of Marine Economy(ZHC 2017C4B1)+1 种基金Science and Technology Project of Zhanjiang City(2017A05007)Special Fund for Construction of Zhanjiang Research Institute,Guangdong Acade-my of Sciences(2017-2019)。
文摘[Objective]The paper was to study the effect of 30%Xiange oceanic bioactive peptide pesticide-fertilizer on sugarcane pests,sugarcane yield and sugar.[Method]With conventional compound fertilizer mixed with 3%carbofuran granulated insecticide as the control,the field effect of30%Xiange pesticide-fertilizer on sugarcane was compared.[Result]After the application of 30%Xiange pesticide-fertilizer for 90 d,the control effects on sugarcane borers in the two test points were 93.66%and 93.09%,respectively,which were significantly higher than those of conventional control(21.86%and 24.19%).Before harvest,the reduction effects of sugarcane internodes in the two test points treated by pesticide-fertilizer were6.21%and 5.10%,respectively,which were significantly lower than those of conventional control(36.25%and 34.55%).The control effects of Xiange pesticide-fertilizer on sugarcane chafer in the two test points were 91.34%and 100.00%respectively,which were significantly higher than those of conventional control(68.00%and 64.29%).The yields of sugarcane treated by Xiange pesticide-fertilizer in the two test points were107700 and 108000 kg/hm2,and the sugar contents were 15.62%and 15.55%,respectively.The yield and sugar content of sugarcane treated by Xiange pesticide-fertilizer were increased by 28.63%and 1.33%compared with those of conventional control.[Conclusion]30%Xiange oceanic bioactive peptide pesticide-fertilizer has good control effect on sugarcane pests,which could obviously increase yield and sugar of sugarcane.The product is worth being promoted and applied in sugarcane planting area.
